The Right Has Mainstreamed the Rhetoric of Mass Killers

David Atkins: I have read (or at least skimmed) the manifesto of the white supremacist terrorist who murdered dozens of Muslims peacefully assembled in prayer at mosques yesterday in New Zealand. But you don’t have to, because there’s nothing in that document that isn’t already mainstreamed in the discourse of Breitbart, alt-right Trump supporters, QAnon conspiracy forums, the broader right-wing memeverse, and Fox News anchors like Tucker Carlson.